Area code 645
Area code 645 serves Miami and nearby parts of Florida, including Hialeah, Miami Beach and Key West. It is on Eastern Time, which observes daylight saving time. 786 and 305 are overlays for the same area.
Area code 645 at a glance
Cities in 645
- Miami
- Hialeah
- Miami Beach
- Key West
An area code shows where a number was first assigned. Mobile numbers keep their area code when people move, so the person you’re calling may be somewhere else.
When you can call a 645 number
Federal telemarketing rules under the TCPA allow sales calls between 8 AM and 9 PM in the called person’s local time. Florida law is stricter: 8 AM to 8 PM, and no more than 3 sales calls to the same person in 24 hours. Here is that window for a 645 number, shown in your own time zone.
General information, not legal advice. Some states add rules for Sundays, holidays or the number of calls. See our calling hours guide.
| If you’re on | You can call 645 between |
|---|---|
| Eastern | 8:00 AM to 8:00 PM |
| Central | 7:00 AM to 7:00 PM |
| Mountain | 6:00 AM to 6:00 PM |
| Arizona | 5:00 AM to 5:00 PM |
| Pacific | 5:00 AM to 5:00 PM |
See the time in 645 without leaving your CRM
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Other area codes in Florida
Questions about 645
What time zone is area code 645?
Area code 645 is on Eastern Time. It observes daylight saving time.
Where is area code 645?
Area code 645 is in Florida. Its main city is Miami, and it also covers Hialeah, Miami Beach and Key West.
What are the legal hours to call a 645 number?
Under the federal TCPA, sales calls are allowed from 8 AM to 9 PM in the called person’s local time. Florida law is stricter: 8 AM to 8 PM, and no more than 3 sales calls to the same person in 24 hours. Personal and informational calls are not limited by these hours.
What area codes overlay 645?
786 and 305 cover the same area as 645, so numbers in the same town can have either code.